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Old 03-15-2012, 01:18 PM   #3 (permalink)
roosterk0031
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What's your mileage goal, is it achievable with a GM 6.2 or 6.5. 6.5 in a 94 Tahoe I owned pretty much always averaged 18 driving it on intersate most of the time. No doubt it beat 20 just by keeping speed down to 55.
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